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Fall Final Exam Practice 2020

Total questions: 115

Worksheet time: 2hrs 5mins

Name
Class
Date
1.

The Dependent Variable depends upon the __________________.

a)

Controlled Variable

b)

Responsive Variable

c)

Dependent Variable

d)

Independent Variable

2.

Response/result in experiment. Graphed on Y-axis.

a)

Controlled Variable

b)

Responsive Variable

c)

Dependent Variable

d)

Independent Variable

3.

Manipulated / changed variable in experiment. Graphed on X-axis.

a)

Controlled Variable

b)

Responsive Variable

c)

Dependent Variable

d)

Independent Variable

4.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
5.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
6.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Where the experiment took place.
7.

How much water does a plant need to grow?

Which are the controlled variables / constants?

Choose all that apply.

a)

The type of plant

b)

How much water you use

c)

Location of plant

d)

How much the plant grows

e)

How long you grow the plant

8.

What would be a reasonable hypothesis for this investigation, based on the data table?

a)

If plants are given sugar, then they will die.

b)

If plants are taller, then they will be given a higher sugar solution.

c)

If the sugar solution plants are given increases, then the plants will grow less and possibly die.

d)

If the sugar solution plants are given increases, then the plants will grow taller.

9.

Which group is the control group?

a)

A

b)

B

c)

C

d)

F

10.

For the experimental results shown in the Data Table, what should have been controlled variable / constant?

a)

Plant Group

b)

Percent Sugar Solution

c)

Final Height of Plant

d)

Amount of Light the Plants were grown in.

11.

Which of the following is the best conclusion based on data in the Table?

a)

Plants will always grow taller as the percent of sugar in a solution increases.

b)

The researcher was investigating sugar-loving plants.

c)

As the percent of sugar in a solution increased, the plants did not grow as tall or died.

d)

Adding sugar to a solution causes plants to die.

12.

How high can an average 6th grader jump?

Which would be controlled variables/constants?

Choose all that apply.

a)

The age of the students

b)

The surface they are jumping from

c)

The height they can jump

d)

How well the students did on a math test the day before

13.

How does the amount of baking powder added to a cake mix affect the taste?

Which is the independent variable?

a)

The amount of baking powder

b)

The type of cake

c)

The amount of oil in the cake

d)

The temperature of the oven

14.

Which type of apple has the most water in it?

Which is the dependent variable?

a)

The size of the apple

b)

The age of the apple

c)

The amount of water

d)

The type of apple

15.

The part of the experiment that does not have the independent variable applied. Or is a standard or normal amount. Used for comparison during experiment.

a)

Control Group

b)

Experimental Group

c)

Results

d)

Data

16.

Proposed scientific explanation based upon your observations. Often written as If...then.

a)

Hypothesis

b)

Observation

c)

Control group

d)

Guess

17.

How many variables should you change in a controlled experiment?

a)

none

b)

1

c)

2 or more

d)

depends on the type of experiment

18.

A factor in an experiment that stays the same.

a)

control group

b)

constant / controlled variable

c)

dependent variable

d)

experimental group

19.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
20.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
21.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
22.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
23.

A nucleotide is composed of

a)

A phosphate, sugar and nitrogenous base

b)

A protein, protein and Guanine

c)

A phosphate, Adenine, and nitrogenous base

d)

A protein, Adenine and nitrogenous base

24.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
25.
Cytosine always pairs with
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
26.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
27.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
28.
Replicate the following strand of DNA: 
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
29.
Which of the following is not a nitrogen base found in DNA?
a)
Thymine
b)
Uracil 
c)
Guanine
d)
Adenine
30.
Which of the following statements is true?
a)
DNA is single-stranded
b)
RNA is single-stranded
c)
DNA contains uracil
d)
RNA contains deoxyribose
31.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
32.

Which process is making mRNA from DNA in the nucleus?

a)

transcription

b)

translation

c)

replication

33.

Which process is copying DNA in the nucleus?

a)

replication

b)

transcription

c)

translation

34.

What is a protein:

a)

A polymer composed of many sugars.

b)

A polymer composed of many amino acids.

c)

A polymer composed of fatty acids.

d)

A polymer composed of solutes.

35.
What is the monomer of proteins?
a)
amino acids
b)
polypeptides
c)
nucleotides
d)
monosaccharides
36.

What is the end result of DNA replication?

a)

Two new identical strands of DNA, both made of part original DNA and part new DNA.

b)

One parent strand and one daughter strand of DNA

c)

Two new and different strands of DNA

d)

One new strand of DNA

37.
What is the location in the cell for translation?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
chloroplast
38.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

39.
which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
40.
Which process?
a)
mutation
b)
transcription
c)
respiration
d)
translation
41.

Where does translation occur?

a)

At the cell membrane

b)

Inside the nucleus

c)

At a ribosome

d)

Inside a vacuole

42.

Where does transcription occur?

a)

At the cell membrane

b)

Inside the nucleus

c)

At a ribosome

d)

Inside a vacuole

43.

The monomers that make DNA and RNA are

a)

amino acids

b)

monosaccharides

c)

nucleotides

d)

fatty acids

44.

RNA contains which sugar?

a)

deoxyribose

b)

Ribose

c)

glucose

d)

fructose

45.

RNA has what base instead of thymine?

a)

guanine

b)

adenine

c)

thymine

d)

uracil

46.

Which is the building block of both RNA and DNA?

a)
b)
c)
d)
47.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
48.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
49.

Surrounds the cell; regulates what enters/leaves cell; maintains homeostasis

a)

vacuole

b)

cell wall

c)

cell membrane

d)

lysosome

50.

Which term describes the structure shown in the diagram?

a)

Capsule

b)

Cell Wall

c)

Fungus

d)

Semi-permeable

51.

The movement of water from an area of high concentration to an area of lower concentration across a semi-permeable membrane is called:

a)

facilitated diffusion

b)

active transport

c)

osmosis

d)

dialysis

52.
what type of solution causes the blood cells to swell and burst.
a)
hypotonic solution
b)
hypertonic solution
c)
isotonic solution
d)
active transport
53.
These red blood cells were most likely in a 
a)
hypertonic solution
b)
hypotonic solution
c)
isotonic solution
54.
What type of solution is this cell in?
a)
hypertonic
b)
endotonic
c)
isotonic
d)
hypotonic
55.

What might happen to a freshwater plant (low salt in cells) that is placed into saltwater?

a)

Cells will swell

b)

Cells will shrink

c)

Random change in cells

d)

There will be no change

56.
A cell with a 10% salt solution is placed into a beaker with a 40% salt solution.  How will water move?
a)
It will leave the cell
b)
It will enter the cell
c)
It will move in and out equally
d)
There will be no movement
57.

What does this image show?

a)

Osmosis

b)

Active transport

c)

A cell membrane

d)

A nucleus

58.
If a cell is placed in a hypotonic solution, the cell will _______.
a)
stay the same
b)
swell (get bigger)
c)
shrink (get smaller)
59.

If there is 5 percent water inside a cell and 5 percent water outside a cell

a)

more water will move inside the cell

b)

more water will move outside the cell

c)

There will be no net movement of water, it moves into and out of the cell at the same time.

60.
An animal cell placed in a hypertonic (salty) solution will
a)
Shrink
b)
Swell
c)
Stay the same
61.

Where will the water go?

a)

Into the cell

b)

Out of the cell

c)

Equally in & out - it's isotonic

d)

There is no water

62.

A blood cell is placed into a beaker. Where will the water go?

a)

Into the cell

b)

Out of the cell

c)

Equally in & out - it's isotonic

d)

The water is a lie

63.

What is a series of events a cell goes through as they grow, replicate DNA and divide? (Interphase, Mitosis, Cytokinesis)

a)

Cell Division

b)

Cell Cycle

c)

Cytokinesis

d)

Mitosis

64.

During what phase of the cell cycle is DNA replicated (= DNA Synthesis)?

a)

G1 phase

b)

S phase

c)

G2 phase

d)

M phase

65.

Put the following stages of the cell cycle in order: G2, S, G1, M (where M = mitosis).

a)

G1, S, G2, M

b)

S, G1, G2, M

c)

G1, M, G2, S

d)

M, G1, S, G2

66.
Put the following in order: G2, G1, S, mitosis, cytokinesis. 
a)
G1, G2, S, Mitosis, cytokinesis
b)
G1, S, G2, Mitosis, cytokinesis
c)
G1, G2, S, cytokinesis, mitosis
d)
G1, S, G2, cytokinesis, mitosis
67.

Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. (remember PMAT?)

a)

prophase, metaphase, telophase, anaphase

b)

prophase, anaphase, metaphase, telophase

c)

prophase, metaphase, anaphase, telophase

d)

prophase, telophase, metaphase, anaphase

68.

The process by which a diploid parent cell gives rise to two diploid daughter cells is?

a)

mitosis

b)

meiosis

c)

spindle

d)

centromere

69.

In mitosis, the two resulting daughter cells are

a)

different from the starting cell and identical to each other.

b)

different from the starting cell and different from each other.

c)

identical to the starting cell and different from each other.

d)

identical to the starting cell and identical to each other.

70.

Fruit fly body cells have 8 chromosomes. After mitosis, you would expect resulting fruit fly daughter cells to have -

a)

16 chromosomes.

b)

46 chromosomes.

c)

8 chromosomes.

d)

4 chromosomes.

71.

Why do cells divide using mitosis?

a)

growth and development

b)

repair of damaged cells

c)

replacement of dying cells.

d)

All of the above

72.
How many chromosomes do humans have?
a)
46
b)
21
c)
10
73.

The daughter cells of meiosis are:

a)

haploid

b)

diploid

c)

skin cells

d)

hair cells

74.

The image shown is best described as:

a)

Mitosis

b)

The Cell Cycle

c)

Translation

d)

Transcription

75.

The cells produced via meiosis are called:

a)

gametes (sperm & eggs)

b)

hair cells

c)

body cells

d)

skin cells

76.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
77.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
78.

This image shows chromosomes during meiosis. Which of the following correctly describes the process shown?

a)

segregation

b)

condensation

c)

mutations

d)

crossing over

79.

Daughter cells of meiosis are genetically

a)

different

b)

identical

80.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
81.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
82.
What process, and which type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
83.
This produces 2 identical cells.
a)
mitosis
b)
meiosis
84.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
85.

In a heterozygous genotype, the ___________ allele is expressed in the phenotype.

a)

recessive

b)

dominant

c)

lower case letter

d)

both

86.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
87.

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant? (You might need to do a Punnett Square.)

a)

0%

b)

25%

c)

50%

d)

75%

88.

A segment of DNA that codes for a specific trait in an organism:

a)

Gene

b)

RNA

c)

Chromosome

d)

Chromatid Pair

89.

An alternative form of a gene:

a)

Homozygous

b)

Genotype

c)

Phenotype

d)

Allele

90.

Which is heterozygous?

a)

XX

b)

xx

c)

Xx

91.

Which is homozygous dominant?

a)

XX

b)

xx

c)

Xx

92.

Which is homozygous recessive?

a)

XX

b)

xx

c)

Xx

93.

Which alleles are represented by uppercase letters and will always be expressed if present?

a)

Dominant

b)

Recessive

c)

Repeating

d)

Heterozygous

94.

Which alleles are represented by lowercase letters and will only be expressed if no uppercase letters are present?

a)

Dominant

b)

Recessive

c)

Repeating

d)

Heterozygous

95.

The expressed form of genetics. For example, the color of you hair.

a)

Genotype

b)

Phenotype

c)

Polypeptide

d)

Genopeptide

96.

If an animal has brown fur what is this an example of?

a)

Recessive Trait

b)

Dominant Trait

c)

Phenotype

d)

Genotype

97.

What is "Tt" is an example of?

a)

Recessive Trait

b)

Recessive alleles

c)

Phenotype

d)

Genotype

98.

Heterozygous individuals carry one dominant allele and one _____________ allele.

a)

Repeating

b)

Dorset

c)

Recessive

d)

Ruminant

99.

A method using a diagram which utilizes the known genotypes of parents to predict the outcome of offspring from genetic crosses.

a)

Punnett Square

b)

Mendelian Square

c)

Textural Triangle

d)

Autoclave

100.

What % of the offspring are heterozygous?

a)

25%

b)

50%

c)

75%

d)

100%

101.

If a two dogs with brown fur reproduce and have a litter of three puppies with brown fur and one puppy with white fur, what must be true about the parents?

a)

The parents both have homozygous dominant alleles for fur color.

b)

The parents both have homozygous recessive alleles for fur color.

c)

The parents both have heterozygous alleles for fur color.

d)

One parent has homozygous dominant alleles and one parent has heterozygous alleles.

102.

Which of the following would be the phenotype for a heterozygous genotype?

a)

AA

b)

Aa

c)

aa

d)

Green

103.

Which of the following is homozygous?

a)

AB

b)

Ab

c)

AA

d)

aB

104.
What type of inheritance do two alleles have if their traits blend together? 
a)
Incomplete Dominance
b)
Co-Dominance
105.

This image is an example of:

a)

codominance

b)

dominance

c)

incomplete dominance

106.

When one allele is not dominant over the other, resulting in both traits expressed in a heterozygous individual.....

a)

Incomplete Dominance

b)

Codominance

107.

This roan cow is an example of ___________.

a)

Incomplete Dominance

b)

Codominance

108.

this image shows an example of

a)

codominance

b)

dominance

c)

incomplete dominance

109.

A woman with curly hair and a man with straight hair produced a child with wavy hair:

a)

Incomplete dominance

b)

Codominance

c)

Complete dominance

110.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)

Incomplete Dominance

b)

Codominance

c)

Independent assortment

d)

Recessive inheritance

111.

This type of inheritance pattern shows BOTH traits in possible offspring

a)

complete dominance

b)

incomplete dominance

c)

codominance

d)

dominant pattern

112.

In cattle red coats are represented as RR, and white coats are represented as WW.


What is the genotype for Roan color?

a)

RR

b)

RW

c)

WW

113.

A roan cow shows codominance in fur color (brown and white). What is the phenotypic ratio expected in offspring a female roan cow (RW) and a male roan bull (RW) mate together?

a)

2 RW : 2 RW

b)

4 RW : 0 RR : 0 WW

c)

2 Red : 2 White

d)

1 Red : 2 Roan : 1 White

114.

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).


You cross two purple flowers (RB) and determine the offspring using a punnett square. What is the genotypic ratio of the offspring?

a)

1 RR : 2 RB : 1BB

b)

2 RB : 2 RB

c)

2 blue : 2 red

d)

2 red : 2 purple

115.

In some carnations, flower color exhibits codominance. When crossed, red (RR) and white (WW) flowers make speckled flowers (RW) that show both colors.


Complete a punnett square cross (on your own paper) between a speckled flower and a red flower. What would be the phenotypic numbers of their offspring?

a)

2 red: 2 speckled

b)

4 red: 0 speckled

c)

4 speckled: 0 white

d)

2 speckled: 2 white